linux-kernel - Re: [PATCH] powerpc/ep8248e: Fix compile problem if !CONFIG_FS

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Message-ID: <20080716214722.GA6251@ld0162-tx32.am.freescale.net>
Date:	Wed, 16 Jul 2008 16:47:23 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Kumar Gala <galak@...nel.crashing.org>
Cc:	linuxppc-dev@...abs.org, davej@...hat.com,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/ep8248e: Fix compile problem if !CONFIG_FS_ENET

On Wed, Jul 16, 2008 at 08:39:12AM -0500, Kumar Gala wrote:
> If we don't enable FS_ENET we get build issues:
> 
> arch/powerpc/platforms/built-in.o: In function `ep8248e_mdio_probe':
> arch/powerpc/platforms/82xx/ep8248e.c:129: undefined reference to `alloc_mdio_bitbang'
> arch/powerpc/platforms/82xx/ep8248e.c:143: undefined reference to `mdiobus_register'

How is this possible?  CONFIG_EP8248E selects CONFIG_MDIO_BITBANG.

> +#ifdef CONFIG_FS_ENET_MDIO_FCC
>  static void ep8248e_set_mdc(struct mdiobb_ctrl *ctrl, int level)
>  {
>  	if (level)
> @@ -164,6 +165,7 @@ static struct of_platform_driver ep8248e_mdio_driver = {
>  	.probe = ep8248e_mdio_probe,
>  	.remove = ep8248e_mdio_remove,
>  };
> +#endif

This is wrong -- ep8248e doesn't use the FS_ENET_MDIO_FCC code.

-Scott
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